mac OS X 10.9

Mac OS X Mavericks

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OS X Mavericks (version 10.9) is the tenth major release of OS X, Apple Inc's desktop and server operating system for Macintosh computers. OS X Mavericks was announced on June 10, 2013, at WWDC 2013, and was released on October 22, 2013, as a free update through the Mac App Store.

The update places emphasis on battery life, Finder enhancements, other enhancements for power users, and continued iCloud integration, as well as bringing more of Apple's iOS apps to the OS X platform. Mavericks marks the beginning of a change in the naming scheme of OS X, departing from the use of big cats and moving to names based on places in California. Following the new naming scheme, the current version of the operating system is named Mavericks, after the surfing location in California. The new naming scheme also removes the "Mac" prefix from the name.

New and changed features

The following is a list of features that differ from previous releases of OS X:

Improved multiple display support: The menu bar and the Dock can be accessed on each display; Apple TV can be used as an external display.

Mission Control has been updated to organize and switch between Desktop workspaces independently between multiple displays.